Gabby Allen and Marcel Somerville allegedly 'split' after it's rumoured Marcel cheated on Gabby whilst they were on holiday together in Mexico
[Getty ]

Gabby Allen and Marcel Somerville's romance may have faced its fair share of obstacles during ITV2's Love Island, but the pair are still stronger than ever – click here to see their relationship in pictures

The £2.99 app almost immediately topped the paid apps chart.

Gabby's fitness programme

Shape Up With Gabby Allen it already number one in the health and fitness section of the App Store [App Store]